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Re: Java Monitor 5.2.4 with WO 5.4.3 Applications
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Re: Java Monitor 5.2.4 with WO 5.4.3 Applications


  • Subject: Re: Java Monitor 5.2.4 with WO 5.4.3 Applications
  • From: Kieran Kelleher <email@hidden>
  • Date: Tue, 19 May 2009 11:29:07 -0400

Have you tried running jstack against the hung instances to make sure it is not a deadlock? I though I had a WOMonitor problem a month ago, when in fact it was a WOSessionStore checkout deadlock due to a classloader error in appendToResponse in one specific WOComponent on one specific page.

Usually when apps re not able to shutdown, I have found it is either an EOF deadlock or a SessionStore checkout deadlock on a specific thread(s).

try jstack:

$ sudo jstack <pid>

On May 19, 2009, at 8:05 AM, Sherry Tirko wrote:


Hi All,

We are running 5.4.3 applications in an old version of womonitor, 5.2.4. Can you tell me if this causes problems? We are seeing issues of instances hanging for what seems to be no reason and then we are unable to shutdown those instances without doing a force quit. Refuse new sessions is not working correctly either.

On the other side, if we upgrade our version of monitor, can we run 5.4.2 applications in the new version correctly?

Thanks,
Sherry


Sherry Tirko SOAR Project Outreach Technology Services 814-865-9068 email@hidden



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 >Java Monitor 5.2.4 with WO 5.4.3 Applications (From: Sherry Tirko <email@hidden>)

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